This is Microsoft s video compression standard VC-1 of the spec file, VC-1 and H.264, is a next-generation digital high-definition television video compression standards. And a more open H.264 different, VC-1 is the SMTP (Motion Picture Association of America) all, and only pay to get the corresponding code and spec.

Packet : 9927413s421m.zip filelist
s421m.pdf

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